Seixal Weather in September

September in Seixal brings high temperatures, with daytime highs of 25°C (77°F) and nights around 17°C (63°F). The perfect weather makes it a solid choice for a visit.

Rainfall in Seixal in September

Typically, about 6 days will experience rainfall, with an average of 31 mm (1.2 in) for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Seixal in September

The perfect temperature in Seixal in September makes it a solid month to visit, with 25°C (77°F) during the day and 17°C (63°F) at night. September is in the summer season. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Seixal in September

The city usually sees around 280 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Seixal.

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For a detailed overview over the year and the best time to visit Portugal, check out our Seixal's climate page.

Seixal Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 19%  

Precipitation 31 mm (1.2 in)  

Rainy days 6 days  

Sunshine 280 hours *  

Percentage Sunshine 75% *  

* Data from: Lisbon, Portugal (8 KM, 5 Miles).

What to Wear in Seixal in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Seixal in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Portugal, check out our Seixal's climate page.

More climate data for Seixal

Temperature Rainfall Sunshine

See the full Seixal climate overview or explore weather in Portugal.